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ITPIE revision rates by component design (cruciate-retaining versus posterior-stabilized) and diagnosis
| Indication for ITPIE | Cruciate-retaining | Posterior-stabilized | ||||
|---|---|---|---|---|---|---|
| Number of ITPIEs | Revised (%) | p Value | Number of ITPIEs | Revised (%) | p Value | |
| Instability | 12 | 4 (50%) | 0.786 | 10 | 3 (75%) | 0.653 |
| Stiffness | 1 | 0 (0%) | 3 | 1 (25%) | ||
| Effusion | 13 | 4 (50%) | 2 | 0 (0%) | ||
| Total | 26 | 8 (31%) | 15 | 4 (27%) | ||
ITPIE = Isolated tibial polyethylene insert exchange.
